 public class People{

    int leg,hand;

    String name;

    People(String s){

        name=s;

        this.init();   //可以省略this，即将this.init();写成init();

    }

    void init(){

       leg=2;

       hand=2;

       System.out.println(name+"有"+hand+"只手"+leg+"条腿");

    }

    public static void main(String args[]){

      People boshi=new People("布什"); //创建boshi时，构造方法中的this就是对象boshi

    }

} 




